Yes, yes, and yes. 

This is what I do for,,, et al. 

Larry Rosenman           
Phone: +1 214-642-9640                 E-Mail:
US Mail: 5708 Sabbia Drive, Round Rock, TX 78665-2106

On 8/9/17, 11:19 AM, "dovecot on behalf of Alef Veld" 
< on behalf of> wrote:

    Cheers Remko and Ralph. I think there was some mention in the lets encrypt 
FAQ that certbot doesn't do email.
    But I understand I can use their generated very for dovecot, postfix and 
https? That would be good indeed.
    Anyone know of any manual, or can I just replace the certs in the dovecot 
and postfix locations with theirs? Do dovecot, postfix and apache all support 
.pem format?
    Sent from my iPhone
    > On 9 Aug 2017, at 17:07, Ralph Seichter <> 
    >> On 09.08.2017 17:49, Alef Veld wrote:
    >> I think let’s encrypt uses certbot though and it can’t do email
    >> certificates (although i’m sure i can convert the cert i get from
    >> let’s encrypt, i’ll look into it.
    > I'm not sure what you mean by "can’t do email certificates"? In any
    > case, Let's Encrypt issues certificates that can be used by Dovecot
    > for IMAP and simultaneously by Apache or nginx for HTTPS and Postfix
    > for SMTP. The certificates are issued for servers, not for specific
    > software or protocols.
    > -Ralph

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